How I beat an HMO.
D054598:Blue Cross Blue Shield Insurance Plans / Q000331:legislation & jurisprudence; D016099:Endoscopy, Gastrointestinal / Q000191:economics* / Q000706:statistics & numerical data; D006279:Health Maintenance Organizations / Q000331:legislation & jurisprudence*; D007345:Insurance Claim Review / Q000331:legislation & jurisprudence*; D016365:Liability, Legal; D009518:New York; D011216:Practice Management, Medical / Q000191:economics*; D019564:Unnecessary Procedures